#------------------------------------------------------------------------------
#$Date: 2016-02-18 17:37:37 +0200 (Thu, 18 Feb 2016) $
#$Revision: 176729 $
#$URL: svn://www.crystallography.net/cod/cif/1/50/42/1504258.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1504258
loop_
_publ_author_name
'Appleton, Anthony Lucas'
'Miao, Shaobin'
'Brombosz, Scott M.'
'Berger, Nancy J.'
'Barlow, Stephen'
'Marder, Seth R.'
'Lawrence, Brian M.'
'Hardcastle, Kenneth I.'
'Bunz, Uwe H. F.'
_publ_section_title
;
 Alkynylated aceno[2,1,3]thiadiazoles.
;
_journal_issue                   22
_journal_name_full               'Organic letters'
_journal_page_first              5222
_journal_page_last               5225
_journal_paper_doi               10.1021/ol902156x
_journal_volume                  11
_journal_year                    2009
_chemical_formula_moiety         'C30 H36 N2 S Si2'
_chemical_formula_sum            'C30 H36 N2 S Si2'
_chemical_formula_weight         512.85
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.203(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.9544(16)
_cell_length_b                   34.474(8)
_cell_length_c                   11.839(2)
_cell_measurement_reflns_used    876
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      61.55
_cell_measurement_theta_min      2.56
_cell_volume                     2838.3(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.795
_diffrn_measured_fraction_theta_max 0.795
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'φ and ω scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1645
_diffrn_reflns_av_sigmaI/netI    0.2567
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       40
_diffrn_reflns_limit_k_min       -41
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            7946
_diffrn_reflns_theta_full        67.27
_diffrn_reflns_theta_max         67.27
_diffrn_reflns_theta_min         2.56
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.970
_exptl_absorpt_correction_T_max  0.9617
_exptl_absorpt_correction_T_min  0.6184
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.200
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.155
_refine_diff_density_min         -0.508
_refine_diff_density_rms         0.111
_refine_ls_extinction_coef       0.0047(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     323
_refine_ls_number_reflns         4056
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.2408
_refine_ls_R_factor_gt           0.1371
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.1650P)²+0.0000P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3237
_refine_ls_wR_factor_ref         0.3754
_reflns_number_gt                1464
_reflns_number_total             4056
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol902156x_si_002.cif
_cod_data_source_block           aa_tess
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2838.3(11)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1504258
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, -y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
C1 C 0.6272(15) 0.0200(3) 0.2806(10) 0.049(3) Uani 1 1 d .
C2 C 0.6773(16) -0.0083(3) 0.2009(9) 0.048(3) Uani 1 1 d .
C3 C 0.7069(15) 0.0042(3) 0.0872(10) 0.049(3) Uani 1 1 d .
C4 C 0.7631(16) -0.0231(3) 0.0037(9) 0.051(3) Uani 1 1 d .
H4 H 0.7818 -0.0494 0.0244 0.061 Uiso 1 1 calc R
C5 C 0.7907(17) -0.0120(3) -0.1060(9) 0.050(3) Uani 1 1 d .
C6 C 0.8484(18) -0.0398(4) -0.1926(10) 0.059(3) Uani 1 1 d .
H6 H 0.8621 -0.0665 -0.1743 0.071 Uiso 1 1 calc R
C7 C 0.8821(18) -0.0274(4) -0.2984(10) 0.063(3) Uani 1 1 d .
H7 H 0.9140 -0.0459 -0.3549 0.076 Uiso 1 1 calc R
C8 C 0.8715(17) 0.0114(4) -0.3273(11) 0.065(3) Uani 1 1 d .
H8 H 0.9002 0.0190 -0.4025 0.078 Uiso 1 1 calc R
C9 C 0.8212(16) 0.0389(3) -0.2510(10) 0.057(3) Uani 1 1 d .
H9 H 0.8091 0.0653 -0.2735 0.068 Uiso 1 1 calc R
C10 C 0.7865(16) 0.0279(3) -0.1362(9) 0.048(3) Uani 1 1 d .
C11 C 0.7299(16) 0.0555(3) -0.0523(10) 0.053(3) Uani 1 1 d .
H11 H 0.7125 0.0819 -0.0729 0.063 Uiso 1 1 calc R
C12 C 0.6998(15) 0.0440(3) 0.0600(8) 0.044(2) Uani 1 1 d .
C13 C 0.6489(15) 0.0730(3) 0.1414(9) 0.047(3) Uani 1 1 d .
C14 C 0.6170(17) 0.0591(3) 0.2520(9) 0.052(3) Uani 1 1 d .
C15 C 0.6810(16) -0.0484(3) 0.2336(9) 0.051(3) Uani 1 1 d .
C16 C 0.6868(17) -0.0821(3) 0.2593(10) 0.054(3) Uani 1 1 d .
C17 C 0.770(2) -0.1400(4) 0.4466(14) 0.086(5) Uani 1 1 d .
H17A H 0.6641 -0.1307 0.4953 0.103 Uiso 1 1 calc R
H17B H 0.7893 -0.1679 0.4624 0.103 Uiso 1 1 calc R
C18 C 0.953(2) -0.1181(5) 0.4782(14) 0.099(5) Uani 1 1 d .
H18A H 1.0541 -0.1239 0.4230 0.148 Uiso 1 1 calc R
H18B H 0.9963 -0.1262 0.5536 0.148 Uiso 1 1 calc R
H18C H 0.9277 -0.0902 0.4784 0.148 Uiso 1 1 calc R
C19 C 0.443(2) -0.1523(4) 0.2734(16) 0.091(5) Uani 1 1 d .
H19A H 0.3555 -0.1351 0.3163 0.109 Uiso 1 1 calc R
H19B H 0.4077 -0.1501 0.1925 0.109 Uiso 1 1 calc R
C20 C 0.406(2) -0.1945(4) 0.3112(14) 0.085(5) Uani 1 1 d .
H20A H 0.4158 -0.2118 0.2457 0.127 Uiso 1 1 calc R
H20B H 0.2777 -0.1965 0.3440 0.127 Uiso 1 1 calc R
H20C H 0.5028 -0.2020 0.3677 0.127 Uiso 1 1 calc R
C21 C 0.860(3) -0.1570(4) 0.1933(16) 0.101(6) Uani 1 1 d .
H21A H 0.9883 -0.1582 0.2302 0.121 Uiso 1 1 calc R
H21B H 0.8170 -0.1840 0.1821 0.121 Uiso 1 1 calc R
C22 C 0.886(3) -0.1397(5) 0.0823(15) 0.116(7) Uani 1 1 d .
H22A H 0.7650 -0.1413 0.0398 0.173 Uiso 1 1 calc R
H22B H 0.9867 -0.1537 0.0414 0.173 Uiso 1 1 calc R
H22C H 0.9233 -0.1124 0.0908 0.173 Uiso 1 1 calc R
C23 C 0.6329(16) 0.1131(3) 0.1185(9) 0.050(3) Uani 1 1 d .
C24 C 0.6035(14) 0.1481(3) 0.1079(9) 0.049(3) Uani 1 1 d .
C25 C 0.687(2) 0.2170(4) 0.2540(12) 0.077(4) Uani 1 1 d .
H25A H 0.8224 0.2186 0.2283 0.092 Uiso 1 1 calc R
H25B H 0.6449 0.2436 0.2730 0.092 Uiso 1 1 calc R
C26 C 0.681(2) 0.1923(4) 0.3621(12) 0.081(4) Uani 1 1 d .
H26A H 0.5484 0.1902 0.3885 0.122 Uiso 1 1 calc R
H26B H 0.7606 0.2045 0.4207 0.122 Uiso 1 1 calc R
H26C H 0.7314 0.1663 0.3460 0.122 Uiso 1 1 calc R
C27 C 0.2732(19) 0.1988(4) 0.1657(13) 0.076(4) Uani 1 1 d .
H27A H 0.2438 0.2229 0.2077 0.091 Uiso 1 1 calc R
H27B H 0.2015 0.1999 0.0934 0.091 Uiso 1 1 calc R
C28 C 0.195(2) 0.1640(5) 0.2350(14) 0.096(5) Uani 1 1 d .
H28A H 0.2239 0.1398 0.1952 0.145 Uiso 1 1 calc R
H28B H 0.0560 0.1666 0.2441 0.145 Uiso 1 1 calc R
H28C H 0.2572 0.1636 0.3095 0.145 Uiso 1 1 calc R
C29 C 0.575(2) 0.2291(3) 0.0069(12) 0.076(4) Uani 1 1 d .
H29A H 0.4957 0.2186 -0.0555 0.091 Uiso 1 1 calc R
H29B H 0.5273 0.2555 0.0235 0.091 Uiso 1 1 calc R
C30 C 0.782(2) 0.2325(5) -0.0349(14) 0.099(5) Uani 1 1 d .
H30A H 0.8642 0.2423 0.0263 0.148 Uiso 1 1 calc R
H30B H 0.7869 0.2505 -0.0990 0.148 Uiso 1 1 calc R
H30C H 0.8285 0.2070 -0.0588 0.148 Uiso 1 1 calc R
N1 N 0.5984(14) 0.0128(3) 0.3904(8) 0.054(2) Uani 1 1 d .
N2 N 0.5704(14) 0.0833(3) 0.3406(8) 0.057(3) Uani 1 1 d .
S1 S 0.5477(5) 0.05394(9) 0.4473(3) 0.0620(9) Uani 1 1 d .
Si1 Si 0.6952(5) -0.13398(9) 0.2918(3) 0.0608(10) Uani 1 1 d .
Si2 Si 0.5351(5) 0.19861(9) 0.1332(3) 0.0606(10) Uani 1 1 d .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0181 0.0091 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0311 0.0180 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Si Si 0.2541 0.3302 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
S S 0.3331 0.5567 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
N1 C1 C14 114.2(10)
N1 C1 C2 124.1(10)
C14 C1 C2 121.6(10)
C1 C2 C3 117.4(10)
C1 C2 C15 119.6(10)
C3 C2 C15 122.9(9)
C12 C3 C4 119.7(10)
C12 C3 C2 120.2(10)
C4 C3 C2 119.8(10)
C5 C4 C3 121.0(11)
C5 C4 H4 119.5
C3 C4 H4 119.5
C4 C5 C10 120.5(10)
C4 C5 C6 121.5(10)
C10 C5 C6 117.6(10)
C7 C6 C5 119.6(11)
C7 C6 H6 120.2
C5 C6 H6 120.2
C6 C7 C8 121.9(11)
C6 C7 H7 119.1
C8 C7 H7 119.1
C9 C8 C7 121.7(12)
C9 C8 H8 119.1
C7 C8 H8 119.1
C8 C9 C10 119.3(11)
C8 C9 H9 120.3
C10 C9 H9 120.3
C5 C10 C11 118.3(10)
C5 C10 C9 119.5(10)
C11 C10 C9 121.9(10)
C12 C11 C10 120.9(10)
C12 C11 H11 119.6
C10 C11 H11 119.6
C11 C12 C3 118.9(10)
C11 C12 C13 118.6(10)
C3 C12 C13 122.3(9)
C23 C13 C14 119.9(10)
C23 C13 C12 125.0(9)
C14 C13 C12 115.2(10)
N2 C14 C1 114.3(10)
N2 C14 C13 122.5(11)
C1 C14 C13 123.2(10)
C16 C15 C2 178.7(11)
C15 C16 Si1 177.5(11)
C18 C17 Si1 113.9(10)
C18 C17 H17A 108.8
Si1 C17 H17A 108.8
C18 C17 H17B 108.8
Si1 C17 H17B 108.8
H17A C17 H17B 107.7
C17 C18 H18A 109.5
C17 C18 H18B 109.5
H18A C18 H18B 109.5
C17 C18 H18C 109.5
H18A C18 H18C 109.5
H18B C18 H18C 109.5
C20 C19 Si1 116.0(10)
C20 C19 H19A 108.3
Si1 C19 H19A 108.3
C20 C19 H19B 108.3
Si1 C19 H19B 108.3
H19A C19 H19B 107.4
C19 C20 H20A 109.5
C19 C20 H20B 109.5
H20A C20 H20B 109.5
C19 C20 H20C 109.5
H20A C20 H20C 109.5
H20B C20 H20C 109.5
C22 C21 Si1 118.6(12)
C22 C21 H21A 107.7
Si1 C21 H21A 107.7
C22 C21 H21B 107.7
Si1 C21 H21B 107.7
H21A C21 H21B 107.1
C21 C22 H22A 109.5
C21 C22 H22B 109.5
H22A C22 H22B 109.5
C21 C22 H22C 109.5
H22A C22 H22C 109.5
H22B C22 H22C 109.5
C24 C23 C13 172.8(11)
C23 C24 Si2 163.7(10)
C26 C25 Si2 115.4(9)
C26 C25 H25A 108.4
Si2 C25 H25A 108.4
C26 C25 H25B 108.4
Si2 C25 H25B 108.4
H25A C25 H25B 107.5
C25 C26 H26A 109.5
C25 C26 H26B 109.5
H26A C26 H26B 109.5
C25 C26 H26C 109.5
H26A C26 H26C 109.5
H26B C26 H26C 109.5
C28 C27 Si2 116.7(9)
C28 C27 H27A 108.1
Si2 C27 H27A 108.1
C28 C27 H27B 108.1
Si2 C27 H27B 108.1
H27A C27 H27B 107.3
C27 C28 H28A 109.5
C27 C28 H28B 109.5
H28A C28 H28B 109.5
C27 C28 H28C 109.5
H28A C28 H28C 109.5
H28B C28 H28C 109.5
C30 C29 Si2 116.8(11)
C30 C29 H29A 108.1
Si2 C29 H29A 108.1
C30 C29 H29B 108.1
Si2 C29 H29B 108.1
H29A C29 H29B 107.3
C29 C30 H30A 109.5
C29 C30 H30B 109.5
H30A C30 H30B 109.5
C29 C30 H30C 109.5
H30A C30 H30C 109.5
H30B C30 H30C 109.5
C1 N1 S1 105.9(8)
C14 N2 S1 103.9(7)
N1 S1 N2 101.6(5)
C21 Si1 C16 108.1(6)
C21 Si1 C19 111.8(8)
C16 Si1 C19 106.0(6)
C21 Si1 C17 113.3(8)
C16 Si1 C17 108.3(6)
C19 Si1 C17 109.0(7)
C24 Si2 C29 111.6(6)
C24 Si2 C27 107.0(5)
C29 Si2 C27 108.4(7)
C24 Si2 C25 107.3(6)
C29 Si2 C25 109.7(6)
C27 Si2 C25 112.8(6)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C1 N1 1.339(14)
C1 C14 1.391(15)
C1 C2 1.404(14)
C2 C3 1.430(15)
C2 C15 1.434(15)
C3 C12 1.412(14)
C3 C4 1.419(13)
C4 C5 1.369(15)
C4 H4 0.9500
C5 C10 1.420(14)
C5 C6 1.461(13)
C6 C7 1.344(16)
C6 H6 0.9500
C7 C8 1.384(17)
C7 H7 0.9500
C8 C9 1.356(15)
C8 H8 0.9500
C9 C10 1.433(16)
C9 H9 0.9500
C10 C11 1.432(13)
C11 C12 1.404(15)
C11 H11 0.9500
C12 C13 1.433(13)
C13 C23 1.411(14)
C13 C14 1.414(15)
C14 N2 1.378(13)
C15 C16 1.202(14)
C16 Si1 1.831(12)
C17 C18 1.53(2)
C17 Si1 1.914(18)
C17 H17A 0.9900
C17 H17B 0.9900
C18 H18A 0.9800
C18 H18B 0.9800
C18 H18C 0.9800
C19 C20 1.543(17)
C19 Si1 1.877(16)
C19 H19A 0.9900
C19 H19B 0.9900
C20 H20A 0.9800
C20 H20B 0.9800
C20 H20C 0.9800
C21 C22 1.46(2)
C21 Si1 1.821(13)
C21 H21A 0.9900
C21 H21B 0.9900
C22 H22A 0.9800
C22 H22B 0.9800
C22 H22C 0.9800
C23 C24 1.229(14)
C24 Si2 1.831(12)
C25 C26 1.538(18)
C25 Si2 1.887(15)
C25 H25A 0.9900
C25 H25B 0.9900
C26 H26A 0.9800
C26 H26B 0.9800
C26 H26C 0.9800
C27 C28 1.552(18)
C27 Si2 1.863(14)
C27 H27A 0.9900
C27 H27B 0.9900
C28 H28A 0.9800
C28 H28B 0.9800
C28 H28C 0.9800
C29 C30 1.530(18)
C29 Si2 1.848(13)
C29 H29A 0.9900
C29 H29B 0.9900
C30 H30A 0.9800
C30 H30B 0.9800
C30 H30C 0.9800
N1 S1 1.611(9)
N2 S1 1.626(9)
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
N1 C1 C2 C3 -178.8(10)
C14 C1 C2 C3 -3.5(16)
N1 C1 C2 C15 6.3(17)
C14 C1 C2 C15 -178.4(11)
C1 C2 C3 C12 4.7(15)
C15 C2 C3 C12 179.4(10)
C1 C2 C3 C4 178.2(10)
C15 C2 C3 C4 -7.1(16)
C12 C3 C4 C5 -7.1(16)
C2 C3 C4 C5 179.4(11)
C3 C4 C5 C10 7.7(17)
C3 C4 C5 C6 -180.0(11)
C4 C5 C6 C7 -177.1(12)
C10 C5 C6 C7 -4.6(17)
C5 C6 C7 C8 3(2)
C6 C7 C8 C9 -2(2)
C7 C8 C9 C10 2.9(18)
C4 C5 C10 C11 -7.5(16)
C6 C5 C10 C11 179.9(11)
C4 C5 C10 C9 178.2(11)
C6 C5 C10 C9 5.6(15)
C8 C9 C10 C5 -4.9(16)
C8 C9 C10 C11 -178.9(11)
C5 C10 C11 C12 6.9(16)
C9 C10 C11 C12 -179.0(10)
C10 C11 C12 C3 -6.4(16)
C10 C11 C12 C13 178.1(10)
C4 C3 C12 C11 6.3(15)
C2 C3 C12 C11 179.8(10)
C4 C3 C12 C13 -178.4(10)
C2 C3 C12 C13 -4.9(15)
C11 C12 C13 C23 -2.4(16)
C3 C12 C13 C23 -177.7(11)
C11 C12 C13 C14 178.7(10)
C3 C12 C13 C14 3.4(15)
N1 C1 C14 N2 -2.8(15)
C2 C1 C14 N2 -178.6(10)
N1 C1 C14 C13 178.1(10)
C2 C1 C14 C13 2.3(17)
C23 C13 C14 N2 -0.1(17)
C12 C13 C14 N2 178.8(10)
C23 C13 C14 C1 179.0(11)
C12 C13 C14 C1 -2.1(16)
C1 C2 C15 C16 -154(59)
C3 C2 C15 C16 32(60)
C2 C15 C16 Si1 -45(76)
C14 C13 C23 C24 -32(10)
C12 C13 C23 C24 150(9)
C13 C23 C24 Si2 23(12)
C14 C1 N1 S1 3.6(12)
C2 C1 N1 S1 179.2(9)
C1 C14 N2 S1 0.5(12)
C13 C14 N2 S1 179.6(10)
C1 N1 S1 N2 -3.0(9)
C14 N2 S1 N1 1.5(9)
C22 C21 Si1 C16 -28.2(19)
C22 C21 Si1 C19 88.0(17)
C22 C21 Si1 C17 -148.3(16)
C15 C16 Si1 C21 43(23)
C15 C16 Si1 C19 -76(23)
C15 C16 Si1 C17 167(23)
C20 C19 Si1 C21 70.2(14)
C20 C19 Si1 C16 -172.3(11)
C20 C19 Si1 C17 -55.8(14)
C18 C17 Si1 C21 67.8(13)
C18 C17 Si1 C16 -52.1(12)
C18 C17 Si1 C19 -167.0(11)
C23 C24 Si2 C29 -178(3)
C23 C24 Si2 C27 -60(3)
C23 C24 Si2 C25 62(3)
C30 C29 Si2 C24 -61.9(12)
C30 C29 Si2 C27 -179.5(11)
C30 C29 Si2 C25 56.9(13)
C28 C27 Si2 C24 36.2(12)
C28 C27 Si2 C29 156.7(11)
C28 C27 Si2 C25 -81.6(12)
C26 C25 Si2 C24 -53.7(11)
C26 C25 Si2 C29 -175.1(10)
C26 C25 Si2 C27 64.0(12)
